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CVE-2022-25235

Date: February 15, 2022

xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.

Language: C

Severity Score

9.8

Related Resources (18)

Url: https://security.netapp.com/advisory/ntap-20220303-0008/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/

Url: https://security.gentoo.org/glsa/202209-24

Url: https://github.com/libexpat/libexpat/pull/562

Url: https://security-tracker.debian.org/tracker/CVE-2022-25235

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-25235

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-25235

Url: https://security.alpinelinux.org/vuln/CVE-2022-25235

Url: https://access.redhat.com/security/cve/CVE-2022-25235

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/

Url: https://www.debian.org/security/2022/dsa-5085

Url: https://www.oracle.com/security-alerts/cpuapr2022.html

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf

Url: http://www.openwall.com/lists/oss-security/2022/02/19/1

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/

Url: https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html

Url: https://www.mend.io/vulnerability-database/CVE-2022-25235

Severity Score

9.8

Weakness Type (CWE)

Improper Encoding or Escaping of Output

CWE-116

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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